Finding the Fourth Proportional to 762,108.75, 1,143,163.67 and 193,532.49
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Solution
The fourth proportional to 762,108.75, 1,143,163.67 and 193,532.49 is: 290,298.87
Step by Step Solution
- Step 1: Write the proportion equation
762,108.75 : 1,143,163.67 = 193,532.49 : x - Step 2: Convert to fraction form
762,108.75/1,143,163.67 = 193,532.49/x - Step 3: Cross multiply
762,108.75x = 1,143,163.67 × 193,532.49 - Step 4: Simplify right side
762,108.75x = 221,239,310,564.98 - Step 5: Solve for x
x = 221,239,310,564.98/762,108.75 - Step 6: Final answer
x = 290,298.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.